Auditory processing disorder (also known as central auditory processing disorder or CAPD) is a condition that makes it hard for kids to recognize subtle differences between sounds in words. It affects their ability to process what other people are saying.
Gallium is a solid metal at room temperature, but it melts in your hands. 00:09. When gallium is in its liquid state, if feels like cold melted solder in your hands. 00:33. Melting gallium onto aluminum makes the aluminum brittle enough to break with your fingers.
A metal that melts in hot water. Click on the photo to see an animated picture. As I hold a silvery metal wire in the steaming hot water, drops of liquid metal form and fall into a shining puddle at the bottom of the glass. What was a thick solid wire is now a pool of molten metal.